163465401 has 16 divisors (see below), whose sum is σ = 243569088. Its totient is φ = 96652800.

The previous prime is 163465399. The next prime is 163465427. The reversal of 163465401 is 104564361.

163465401 = 473² + 474² + ... + 841².

It is not a de Polignac number, because 163465401 - 2¹ = 163465399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163465481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59056 + ... + 61761.

It is an arithmetic number, because the mean of its divisors is an integer number (15223068).

Almost surely, 2^163465401 is an apocalyptic number.

163465401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163465401 is a deficient number, since it is larger than the sum of its proper divisors (80103687).

163465401 is a wasteful number, since it uses less digits than its factorization.

163465401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120872.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 163465401 is about 12785.3588530006. The cubic root of 163465401 is about 546.7749565283.

It can be divided in two parts, 163 and 465401, that added together give a palindrome (465564).

The spelling of 163465401 in words is "one hundred sixty-three million, four hundred sixty-five thousand, four hundred one".